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. 2021 Aug 28;22(6):989–1002. doi: 10.1007/s40368-021-00660-z

Table 2.

Summary of findings: Sedative compared with different dosage (or method application) of the same sedative for children needing dental care

Patient or population: children needing dental care
Setting: hospital
Intervention: sedative
Comparison: placebo
Outcomes Number of participants (studies) Certainty of the evidence (GRADE) Comments

Any behavioural score

Midazolam (any mode of delivery)

394 (10)

 ⊕  ⊝  ⊝  ⊝ 

VERY LOW1

There is insufficient evidence to determine whether any specific dose of intranasal midazolam is effective

There is weak evidence from two trials that oral midazolam at a dose of 0.5–0.75 mg/kg is an effective sedative for children. However, one trial administered both nitrous oxide and midazolam so it is difficult to attribute benefit to midazolam alone

Any behavioural score

Hydroxyzine

30 (1)

 ⊕  ⊝  ⊝  ⊝ 

VERY LOW1

There is insufficient evidence to determine whether any specific dose of hydroxyzine is effective

Any behavioural score

Dexmedetomidine

44 (1)

 ⊕  ⊝  ⊝  ⊝ 

VERY LOW1

There is insufficient evidence to determine whether any specific dose of dexmedetomidine is effective or whether intranasal administration is more or less effective than oral administration

GRADE Working Group grades of evidence

High certainty: we are very confident that the true effect lies close to that of the estimate of the effect

Moderate certainty: we are moderately confident in the effect estimate: the true effect is likely to be close to the estimate of the effect, but there is a possibility that it is substantially different

Low certainty: our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect

Very low certainty: we have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect

1Downgraded for risk of bias, inconsistency and/or imprecision